1. A tactful and carefully worded proposal or recommendation made in a formal or official context, intended to influence behavior or decisions without being direct or offensive
The ambassador made a diplomatic suggestion that the trade agreement needed revision.
O embaixador fez uma sugestão diplomática de que o acordo comercial precisava de revisão.
2. A polite and indirect way of conveying criticism, disagreement, or guidance while maintaining cordial relations
Rather than a direct command, the president offered a diplomatic suggestion to the cabinet members.
Em vez de uma ordem direta, o presidente ofereceu uma sugestão diplomática aos membros do gabinete.